4. Trouble Shooting
Problem
Power LED is not ON
The power LED lights red and there is no screen image
Screen image is too light or dark
Screen image bounces, a wave
pattern or abnormal picture is
present in the image
Screen image has color defects
(white does not look white)
No sound or sound is low
Possible Solution
• Press the button to check if the monitor is turned on.
• Check if the adapter and power cord are properly
connected to the monitor and the power outlet.
• Check the Power Indicator function in the OSD menu.
Select "ON" to turn on the power LED.
• Check if the monitor and the computer are turned on.
• Make sure the signal cable is properly connected to
the monitor and the computer.
• Inspect the signal cable and make sure none of the
pins are bent.
• Connect the computer with another available monitor
to check if the computer is properly working.
• Adjust the Contrast and Brightness settings via OSD.
• Make sure the signal cable is properly connected to
the monitor and the computer.
• Move electrical devices that may cause electrical
interference
• Remove the adapter and plug it again to the power
outlet. Then turn on the monitor.
• Inspect the signal cable and make sure that none of
the pins are bent.
• Perform All Reset via OSD.
• Select the appropriate color temperature (Color
Temp.) via OSD.
• Adjust the volume settings of your monitor or
computer.
• Make sure the computer sound card driver is properly
installed and activated.
• Check the audio source.
12
Need help?
Do you have a question about the PG27AQDM and is the answer not in the manual?
Questions and answers